Surgical scrub brush



FIG. 1 is a perspective view of a surgical scrub brush, showing my new design;

FIG. 2 is an end elevational view, the opposite side being identical thereto;

FIG. 3 is a side elevational view, the opposite side being identical thereto;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a surgical scrub brush, substantially as shown and described. 